Re "People with money always buy the best, not the best value." That's why they keep going up !!!
Exclusivity is a wonderful thing and as you say, their is a finite supply. I don't think they will go up as much as they have but they are still going up.
Will you stop buying best / good guns ?
The echange rate variations around the world will still cause guns to move around. What is expensive in one place is cheap in another.